The aim is to produce an automaton that could help people do difficult jobs underwater-shutting off leaking oil valves, for example.

她的目标是研制一个自动化机器人，以帮助人们从事有困难的水下作业——例如关闭泄漏石油的阀门。

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These provide access to the central bore of the well underneath most of the heavy valves which should have closed off the flow of oil, but for some reason did not.

这些为连接在许多沉重的真空阀下的钻井中心的钻孔提供了条件。这些真空阀本应该阻止石油的外泄，但出于某种原因没有做到这一点。

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The four shut off valves are connected respectively to the four oil and gas springs.

四个闭锁阀分别与四个油气弹簧相连通。

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The aim is to produce an automaton that could help people do difficult jobs underwater shutting off leaking oil valves, for example.

ECONOMIST: Robots

These provide access to the central bore of the well underneath most of the heavy valves which should have closed off the flow of oil, but for some reason did not.

ECONOMIST: The Gulf oil spill